@inproceedings{petter2017semi,
  author = {Peters, Matthew and Ammar, Waleed and Bhagavatula, Chandra and Power, Russell},
  title = {Semi-supervised sequence tagging with bidirectional language models},
  booktitle = {Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)},
  year = {2017},
  publisher = {Association for Computational Linguistics},
  pages = {1756--1765},
  location = {Vancouver, Canada},
  doi = {10.18653/v1/P17-1161},
  url = {http://www.aclweb.org/anthology/P17-1161}
}